| Relationships | Role | Relationship Start | Relationship End |
| Interfirst Venture Corporation | Parent | 12/31/1976 | 4/17/1980 |
| Interfirst Corporation | Parent | 12/31/1972 | 12/30/1976 |
| Interfirst Bank Dallas, National Association | Parent | 11/27/1970 | 12/30/1970 |
| Relationships | Role | Relationship Start | Relationship End |
| Interfirst Venture Corporation | Parent | 12/31/1976 | 4/17/1980 |
| Interfirst Corporation | Parent | 12/31/1972 | 12/30/1976 |
| Interfirst Bank Dallas, National Association | Parent | 11/27/1970 | 12/30/1970 |